/* ceil example */
#include <stdio.h>
#include <math.h>

int main()
{
  printf("ceil of 2.3 is %.1lf\n", ceil(2.3));
  printf("ceil of 3.8 is %.1lf\n", ceil(3.8));
  printf("ceil of -2.3 is %.1lf\n", ceil(-2.3));
  printf("ceil of -3.8 is %.1lf\n", ceil(-3.8));
  return 0;
}